Home / 109,295,660.80-163,943,491.20-28,516,628.80

Finding the Fourth Proportional to 109,295,660.80, 163,943,491.20 and 28,516,628.80

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Solution

The fourth proportional to 109,295,660.80, 163,943,491.20 and 28,516,628.80 is: 42,774,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,295,660.80 : 163,943,491.20 = 28,516,628.80 : x
  2. Step 2: Convert to fraction form
    109,295,660.80/163,943,491.20 = 28,516,628.80/x
  3. Step 3: Cross multiply
    109,295,660.80x = 163,943,491.20 × 28,516,628.80
  4. Step 4: Simplify right side
    109,295,660.80x = 4,675,115,682,726,466
  5. Step 5: Solve for x
    x = 4,675,115,682,726,466/109,295,660.80
  6. Step 6: Final answer
    x = 42,774,943.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.